Revealing mistake: When Marin and Jack Nicholson first enter her mother's house, Marin is wearing white pants, and it is noticeable that she has a thong on. When she gets into bed with Jack, she is in full underwear.
Something's Gotta Give (2003)
Ending / spoiler
Directed by: Nancy Meyers
Starring: Keanu Reeves, Jack Nicholson, Diane Keaton, Frances McDormand, Jon Favreau, Amanda Peet
Erica Berry chose to be with Harry Sanborn.
More mistakes in Something's Gotta Give
Julian Mercer: When something happens to you that hasn't happened before, don't you at least have to find out what it is?
Trivia: The movie title is inspired on a Johnny Mercer song from 1954, that's why Keanu Reeves' character is named Julian Mercer.
Answer: When they were trying to see what time it was the morning after they had slept together.